Carbureter.



J. A. STEWARD.

Patented Mar, '2, 1909.

61min, I

Tn: Nonms Finns co, wAsnmamN. n. c.

JOHN A. STEWARD, OF RUTLAND, VERMONT.

CARBURETER.

Specification of Letters Patent.

Patented March 2, 1909.

Application filed September 30, 1905. Serial No. 280,822.

To all whom it may concern:

Be'it known that I, JOHN A. STEWARD, citizen of the United States, residing at Rutland, in the county of Itutland, State of Vermont, have invented certain new and useful Improvements in Carbureters, of which the following is a specification, reference being had therein -to the accompanying drawing.

This invention relates to carbureters and has for its object to provide a construction by which a predetermined amount of liquid will be exposed to the air to be carbureted and obviates the necessity of adjusting valves both to feed the liquid and control the air ressure.

I e invention also has for an object to rovide a construction by which the air will he carbureted and fed to the pipe line automatically whenever the pressure on said line is reduced by the use of gas therefrom.

In the drawings :Figure 1 is a side elevationof the invention with parts in section; Fig. 2 is a vertical cross section of the same; Fig. 3 is a side view of a modified form of the invention.

Like letters of reference refer to like arts throughout the several figures of the raw- Ihe letter A designates a carbureting chamber which may be filled with any suit able absorbent material A. This material is adapted to absorb the gasolene or other liquid used in carbureting the air, which liquid is fed by gravity from a chamber B which may be located either above the chamber A by a partition in the receptacle as shown in Fig. 1, or be a separate receptacle of lar er ca acity, as shown in Fi 3. The liquicT is fe from its chamber to the lower part of the chamber A by means of a connecting pipe 0 extending from the bottom of the chamber B to the lower portion of the chamber A, and at the opposite end the chambers are conneoted by a return pipe C extending from the lower part of the carbureting chamber to the upper part of the liquid chamber above the level of the liquid therein. A suitable valve outlet C is provided and connects with a gasometer if desired or a pipe line. This outlet may com rise the casing C provided with oppositey disposed overlapped bafiie plates (3 for the purpose of retaining the liquid in the chamber during a sudden jar or motion thereof in use.

Below the level of the chamber A, a water trap D of any suitable construction may be located and connected by means of the pipe C. This permits the draining of the water which may condense from the air passing through the apparatus and thereby separates the same from the generating liquid therein. The chamber B is also provided with a filling inlet B of any preferred construction for the purpose of the introduction of liquid. The air to be carbureted in the apparatus is.fed into the lower part of the carbureting chamber A by means of suitable connecting pipes E which may be supplied by any desired device for forcing air therethrough, such, for instance, as the pump E which may be used to store a quantity of air under pressure.

In the o eration of the oarbureter it will be seen that t 1e liquid will fill the lower portion of the chamber A until slightly above the level of the pipe connections at the bottom thereof. At this time the inlet and outlet will be sealed under the compressed character of the air in the upper portion of the chamber; the absorbent material is thus thoroughly saturated, when the air, being introduced, will force part of the liquid upward throu h the pipe C into the chamber B until the Tevel of the liquid in the chamber is such as to permit the passage of the air therethrough while being carbureted. As soon as the pressure in the service pipes becomes such that no further gas is required therein the liquid will immediately seal the openings in the chamber A and cease the carburetion of the air. As soon, however, as the pressure is reduced in the mains, the flow of air through the chamber A will again begin and the operation of the apparatus proceed. It will be observed that this invention dispenses with the use of all adjusting valves to regulate the feed of liquid to the carbureting chamber and maintains therein an equal quantity of liquid so that the air is equally charged with the liquid and a perfectly even mixture or flame thus produced.

In the modified form of the invention shown in Fig. 3 several small carbureting chambers F have been used, the same being connected to the lower part of chamber G by means of a feed pipe G and each of the liquid chambers are connected together by pipes Gr so that the liquid forced from the lower portion of its chamber asses through each of the remaining cham ers and thence to the upper portion of the chamber G by means of the return pipe G An air pipe H is connected to the chamber next the chamber G, and a service pipe H extends from the upper plortion of the chamber G. A filling pipe 2 is also located upon this chamber. The operation of this modification is substantially that hereinbefore described and the air is carried through the several chambers in the series to insure any desired degree of carburetion thereof.

Having now described my invention and set forth its merits what I claim and desire to secure by Letters Patent is:

1. In a carbureter, the combination with a carbureting chamber, of a liquid chamber communicating With said carbureting chamber at its lower ortion, an outlet from the lower portion of said carbureting chamber communicating with the 11 per portion of said liquid chamber, an outl et in the upper ortion of said liquid chamber and means for supplying air to said carbureting chamber.

2. In a carbureter, the combination with a carbureting chamber, of a liquid chamber connected to the lower portion thereof and adapted to feed by gravity thereto, a return pipe extending from the lower portion of the carbureting chamber to the u per portion of the liquid chamber, an outlet connection with the upper part of said liquid chamber, and an air inlet connected with the lower portion of said carbureting chamber, substantially as specified.

3. In a carbureter, the combination with a carbureting chamber, of a liquid chamber connected with the lower portion thereof and adapted to feed by gravity thereto, a return pipe extending from the lower portion of the carbureting chamber to the upper portion of the liquid chamber, an outlet connection with the upper part of said liquid chamber, an air inlet connected with the lower portion of the carbureting chamber, means for maintaining a pressure in said air inlet, and a Water trap connected with the lower part of said carbureting chamber, substantially as specified.

In testimony whereof, I affix my signature in presence of two witnesses.

JOHN A STEWARD. Witnesses:

M. H. HILLIARD, H. F. KINGSLEY. 

